The family of Allison Jackson Foy believes the billboard could make the difference when it comes to the unsolved murder case of their loved one.

"There's the hope that someone's going to drive by and see these two women's faces and say, 'Oh, my gosh. Those cases haven't been solved yet? No one's been arrested for those two women's murders?'" Foy's sister Lisa Valentino said.

It's not necessarily the conventional way to solve a murder case, but at this point family and investigators agree it can't hurt.

"Since the day Foy went missing, this has been an active case and an important case to the Wilmington Police Department," Det. Lee Odham said. "We're hoping that this billboard here may bring us some information."

Foy went missing in Wilmington in 2006. One year later Angela Rothen was gone as well.

Both bodies were discovered in April 2008 off of Carolina Beach Road, but the murderer was never found. That closure is something family of the victims say they need.

"I don't know what's left to do," Valentino said. "I do know, though, that we will not stop until justice is served. If it's a year from now, 10 years from now, 20 years from now I have to be back down here in the same position, then that's where I'll be."

The CUE Center for Missing Persons, which helped make this display happen, says billboards have worked for them in the past and that maybe, just maybe, it could work again.

The billboard next to Independence Mall will flash the display for 10 to 15 seconds every minute for about a year.

If you have any information on the cases call the Wilmington Police Department or the CUE Center for Missing Persons.

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